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Cyclopentane, methyl-

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Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C6H12+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.7 ± 0.1eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.62 ± 0.05EIHolmes and Lossing, 1991LL
9.85EQLias, Ausloos, et al., 1976LLK
10.42EILossing and Traeger, 1975LLK
10.34 ± 0.04PERang, Paldoia, et al., 1974LLK
10.45EIPottie, Harrison, et al., 1961RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H9+10.42CH3EILossing and Traeger, 1975, 2LLK
C5H9+10.73CH3EILossing and Traeger, 1975LLK
C5H9+10.95CH3EIPottie, Harrison, et al., 1961RDSH

References

Go To: Top, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Holmes and Lossing, 1991
Holmes, J.L.; Lossing, F.P., Ionization energies of homologous organic compounds and correlation with molecular size, Org. Mass Spectrom., 1991, 26, 537. [all data]

Lias, Ausloos, et al., 1976
Lias, S.G.; Ausloos, P.; Horvath, Z., Charge transfer reactions in alkane and cycloalkane systems. Estimated ionization potentials, Int. J. Chem. Kinet., 1976, 8, 725. [all data]

Lossing and Traeger, 1975
Lossing, F.P.; Traeger, J.C., Stabilization in cyclopentadienyl, cyclopentenyl, and cyclopentyl cations, J. Am. Chem. Soc., 1975, 97, 1579. [all data]

Rang, Paldoia, et al., 1974
Rang, S.; Paldoia, P.; Talvari, A., Ionization potentials of unsaturated hydrocarbons. 2. Mono-substituted cyclopentenes and cyclohexenes, Eesti. NSV Tead. Akad. Toim., 1974, 354. [all data]

Pottie, Harrison, et al., 1961
Pottie, R.F.; Harrison, A.G.; Lossing, F.P., Free radicals by mass spectrometry. XXIV. Ionization potentials of cycloalkyl free radicals and cycloalkanes, J. Am. Chem. Soc., 1961, 83, 3204. [all data]

Lossing and Traeger, 1975, 2
Lossing, F.P.; Traeger, J.C., Free radicals by mass spectrometry XLVI. Heats of formation of C5H7 and C5H9 radicals and cations., J. Am. Chem. Soc., 1975, 19, 9. [all data]


Notes

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